WO2015043971A2 - Frein magnétique linéaire sur rail - Google Patents

Frein magnétique linéaire sur rail Download PDF

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Publication number
WO2015043971A2
WO2015043971A2 PCT/EP2014/069374 EP2014069374W WO2015043971A2 WO 2015043971 A2 WO2015043971 A2 WO 2015043971A2 EP 2014069374 W EP2014069374 W EP 2014069374W WO 2015043971 A2 WO2015043971 A2 WO 2015043971A2
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic field
rail brake
field sensor
magnets
magnetic
Prior art date
Application number
PCT/EP2014/069374
Other languages
German (de)
English (en)
Other versions
WO2015043971A3 (fr
Inventor
Mirko SCHWOZER
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2015043971A2 publication Critical patent/WO2015043971A2/fr
Publication of WO2015043971A3 publication Critical patent/WO2015043971A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
    • B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00—Brakes with braking members co-operating with the track
    • B61H7/02—Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B61H7/06—Skids
    • B61H7/08—Skids electromagnetically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F16D63/008—Brakes acting on a linearly moving member

Definitions

  • the invention relates to a linear magnetic rail brake having at least two adjacent link magnets.
  • Magnetic rail brake and on the other hand the “eddy current brake” - described in its basic structure and its mode of action, so that will not be discussed here at this point.
  • the document DE 101 55 143 AI is further pointed to the need to recognize certain dangerous situations that are associated with, for example, a component failure while driving or during a brake test.
  • the document DE 101 55 143 AI proposes this Diagnose L. Monitoring device for monitoring the distance between the linear magnetic rail brake and the running rail.
  • This diagnostic or monitoring device consists of a sensor in the form of two distance sensors and electronics for the evaluation or further processing of the output from the sensor sensor signals.
  • distance sensors - so sensors that measure the air gap between the rail brake and the rail - come here, for example, inductive sensors or eddy current sensors are used, which recognize an abnormal state of a rail contact by the rail brake while driving.
  • the linear magnetic rail brake shown there has a plurality of guide rails arranged one behind the other at a distance h from the top of the rail in the direction of travel. dermagnete in the form of pole coils on.
  • the pole coils are attached to an integral carrier or longitudinal carrier, which forms a magnetic yoke. Front of the seen in the direction of travel first pole coil and behind the seen in the direction of travel last pole coil one end piece is provided in each case.
  • the two end pieces each cover the cross sections of the pole coils and thus represent a certain protection of the pole coils from objects lying on the rail.
  • the distance sensors are integrated in the two end pieces.
  • the invention has for its object to further improve a generic magnetic rail brake in terms of their diagnostic and monitoring function.
  • This object is achieved with a linear magnetic rail brake with the features of claim 1, wherein at least one of the link magnets and / or between the at least two link magnets, a magnetic field sensor is arranged.
  • a magnetic field sensor In contrast to the linear magnetic rail brake known from DE 101 55 143 A1, in the linear magnetic rail brake according to the invention, therefore, there are no distance sensors, but magnetic field sensors-that is to say sensors which measure the strength of the magnetic field.
  • the use of magnetic field sensors has the advantage that on the one hand it can be detected whether a magnetic field is generated by the link magnets.
  • link magnets of the linear magnetic rail brake according to the invention can be designed as electrically excited magnets or permanent magnets. It is considered advantageous if the at least two adjacent link magnets are attached to a yoke, wherein the magnetic field sensor is arranged on the yoke.
  • the magnetic field sensor may be arranged on a coil core wound around a coil of the at least one of the link magnets.
  • the magnetic field sensor can be arranged on a section of the coil core which projects out of the coil and faces the yoke or the rail.
  • the magnetic field sensor can also be arranged on a section of the coil core extending inside the coil.
  • the magnetic field sensor used is preferably an inductive sensor or a Hall sensor.
  • the magnetic field sensor outputs a first signal if the magnetic field strength determined by the magnetic field sensor exceeds a first threshold value and / or outputs a second signal if the magnetic field strength determined by the magnetic field sensor exceeds a second threshold value.
  • the magnetic field sensor can also output an analog measured value of the magnetic field, in particular an analog measured value of the magnetic field strength.
  • At least one magnetic field sensor is arranged on all link magnets and / or that in each case at least one magnetic field sensor is arranged between all pairs of adjacent link magnets.
  • Showing: 1 shows a first embodiment of the linear magnetic rail brake according to the invention in a raised deactivation division
  • Figure 2 shows the first embodiment of the linear magnetic rail brake according to the invention in a lowered braking position and Figures 3 to 5 three further embodiments of the linear magnetic rail brake according to the invention.
  • Rail brake 1 which is designed here as a "magnetic rail brake", a yoke 2 are fixed to the coil cores wound by coils 3.
  • the wound with the coil 3 coil cores 4 form in a known manner link magnets (pole coils) 5.
  • link magnets pole coils
  • permanent magnets could also be used.
  • the yoke 2 forms two end pieces 2a, 2b which, in the manner known from the publication DE 101 55 143 A1, the first of the link magnets 5 and seen in the direction of travel Cover the last viewed in the direction of the link magnets 5.
  • a magnetic field sensor 6 is arranged on the yoke 2 between each pair of adjacent link magnets 5. Via connecting lines VI to V6, the magnetic field sensors 6 are connected to an electronic monitoring and diagnostic unit 7 so that signals S1, S2 provided by the magnetic field sensors 6 can be further processed for monitoring and diagnosis of the linear magnetic rail brake.
  • the electronic monitoring and diagnostic unit 7 may be part of a vehicle control, not shown here.
  • magnetic field sensors 106 are arranged on each of the coil cores 4 of the link magnets, namely on a section of the respective coil core 4 projecting out of the coil 3 and facing the yoke.
  • a magnetic field sensor 206 is likewise arranged on each of the coil cores 4 of the limb magnets 5 - namely on a section of the respective coil core 4 protruding from the coil 3 Rail 8 points.
  • a magnetic field sensor 306 is again arranged on the coil core 4 of all the link magnets 5 - here, however, on a section of the respective coil core 4 extending inside the coil 3.
  • four embodiments 1; 101; 201; 301 are the magnetic field sensors 6; 106; 206; 306 inductive sensors, which have a measuring coil (induction loop, induction winding) not shown here in detail.
  • the magnetic field sensor could also be a Hall sensor.
  • Rail brake done. In particular, it can be monitored whether the magnetic rail brake is lowered or raised properly and whether the coils are energized.
  • Whether the coils are energized is measured by measuring the current flow in the measuring coil (induction loop, induction coil) of the respective magnetic field sensor 6; 106; 206; 306 detected. This current flow in the measuring coil is dependent on the magnetic field strength caused by the link magnets 5 and their distance h from the rail 8.
  • the resulting magnetic field - ie its magnetic field strength - detected. It is sufficient to determine whether the determined magnetic field strength - ie the magnetic field sensors 6; 106; 206; 306 respectively determined actual value of the magnetic field strength exceeds certain threshold values.
  • the magnetic field sensors shown are therefore designed such that they output a first signal S1 when the determined magnetic field strength exceeds a first threshold value and that they output a second signal S2 when the determined magnetic field strength exceeds a second threshold value.
  • the first (lower) threshold value is exceeded when the coils 3 of the respective link magnet 5 are energized. Otherwise, the first threshold value is not exceeded and the respective magnetic field sensor 5 does not output the first signal S1.
  • the second (upper) threshold value is exceeded when the coils 3 of the respective link magnet 5 are energized. is and the respective link magnet 5 also bears against the rail 8. Is the coil 3 of the respective link magnet 5 is not energized and / or is the respective link magnet fifth in the lowered braking position shown on the rail 8, so the second threshold is not exceeded and the respective magnetic field sensor does not output the second signal S2.
  • the output of the two signals Sl, S2 thus also makes it possible in particular to distinguish whether the magnetic rail brake 1 is raised or rests. In the case of rail vehicles where derailment would be the cause of uneven energization of both sides, this difference is important and therefore a safety benefit.
  • the measuring principle of the direct measurement of the magnetic field for function monitoring and diagnosis of the rail brake is advantageously used. Both the magnetic induction-based measuring principle and the measuring principle based on the Hall effect can be used.
  • the linear magnetic rail brake according to the invention can be dispensed with an additional complex power monitoring. As a result, costs and space can be saved and the reliability of the rail brake can be improved.
  • a monitoring of the sink device could also be omitted, since the vertical position of the link magnets can be detected via the second switching point. Reading in the signals of the magnetic field sensors in the vehicle control is directly possible with little additional hardware complexity via appropriately designed input / output interfaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Braking Arrangements (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

L'invention concerne un frein magnétique linéaire sur rail (1 ; 101 ; 201 ; 301) comprenant au moins deux aimants à éléments séparés (5) voisins. Le diagnostic et le contrôle du frein sur rail se fait au moyen d'au moins un capteur de champ magnétique (6 ; 106 ; 206 ; 306) qui est agencé sur au moins un des aimants à éléments séparés (5) et/ou entre les au moins deux aimants à éléments séparés (5).
PCT/EP2014/069374 2013-09-30 2014-09-11 Frein magnétique linéaire sur rail WO2015043971A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013219826.4 2013-09-30
DE201310219826 DE102013219826A1 (de) 2013-09-30 2013-09-30 Lineare magnetische Schienenbremse

Publications (2)

Publication Number Publication Date
WO2015043971A2 true WO2015043971A2 (fr) 2015-04-02
WO2015043971A3 WO2015043971A3 (fr) 2015-10-15

Family

ID=51610086

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/069374 WO2015043971A2 (fr) 2013-09-30 2014-09-11 Frein magnétique linéaire sur rail

Country Status (2)

Country Link
DE (1) DE102013219826A1 (fr)
WO (1) WO2015043971A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3431321A4 (fr) * 2016-03-17 2019-04-24 Mitsubishi Electric Corporation Dispositif de freinage pour corps mobile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107650942B (zh) * 2017-10-11 2019-06-18 中车青岛四方车辆研究所有限公司 磁轨制动器及磁悬浮列车

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1183117B (de) * 1962-07-21 1964-12-10 Siemens Ag Verfahren und Einrichtung zur Pruefung und UEberwachung des Betriebszustandes von Magnetschienenbremsen
US5862891A (en) * 1994-10-28 1999-01-26 Knorr-Bremse Systeme Fur Scheinenfahrzeuge Gmbh Electromagnetic or permanent-magnetic rail brake
DE10009331C2 (de) * 2000-02-28 2002-10-24 Knorr Bremse Systeme Magnetische Bremse mit Aktuatoren zur Einstellung des Abstandes von der Schienenoberkante
DE50104663D1 (de) * 2000-08-01 2005-01-05 Siemens Ag Einrichtung zum Überwachen des Zustands einer Wirbelstrombremse an einem Schienenfahrzeug
DE10155143A1 (de) 2001-11-12 2003-05-28 Knorr Bremse Systeme Schienenbremse für Schienenfahrzeuge
DE102007014717B3 (de) * 2007-03-23 2008-11-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Magnetschienenbremsvorrichtung mit asymmetrischer Erregerspule und/oder mit mehrteiliger Spule
WO2009024168A1 (fr) * 2007-08-20 2009-02-26 Otis Elevator Company Appareil et procédé de surveillance d'un frein électromagnétique
DE102008029312B3 (de) * 2008-06-20 2009-12-24 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Verfahren zur Wirküberwachung von Schienenbremsen
DE102008059882B4 (de) * 2008-12-01 2010-07-15 Schaltbau Gmbh Vorrichtung und Verfahren zur Überwachung einer Magnetbremse an Schienenfahrzeugen
DE102011110049B4 (de) * 2011-08-12 2017-05-24 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Magnetschienenbremseinrichtung für ein Schienenfahrzeug
DE102012014158B4 (de) * 2012-07-18 2014-04-30 Deutsche Bahn Ag Verfahren zur Überprüfung von Magnetschienenbremsen und Wirbelstrombremsen für Schienenfahrzeuge sowie Vorrichtungen zur Durchführung der Verfahren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3431321A4 (fr) * 2016-03-17 2019-04-24 Mitsubishi Electric Corporation Dispositif de freinage pour corps mobile

Also Published As

Publication number Publication date
DE102013219826A1 (de) 2015-04-02
WO2015043971A3 (fr) 2015-10-15

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